21918891

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{1117}}^1$

素因数の和:1362

約数の個数: 16

約数和(自身を含む): 30338048

約数和(自身を除く): 8419157

約数列:

[1, 3, 31, 93, 211, 633, 1117, 3351, 6541, 19623, 34627, 103881, 235687, 707061, 7306297, 21918891]

約数ペア:

[(1, 21918891), (3, 7306297), (31, 707061), (93, 235687), (211, 103881), (633, 34627), (1117, 19623), (3351, 6541)]